html,
body,
div,
ul,
li,
h1,
h2,
h3,
h4,
h5,
h6,
p,
dl,
dt,
dd,
ol,
form,
input,
textarea,
th,
td,
select {
    margin: 0;
    padding: 0;
}

body,
html {
    background: #f2f2f2;
    font: 14px/150% arial, Microsoft YaHei, Hiragino Sans GB, "\u5b8b\u4f53", sans-serif;
    color: #333;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: normal;
}
ul,
li,
ol {
    list-style: none;
}

img {
    border: none;
    vertical-align: middle;
}

a {
    text-decoration: none;
    color: #333333;
}

a:link {
    text-decoration: none;
}

a:visited {
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

a:active {
    text-decoration: none;
}
a:focus {
    text-decoration: none;
}
table {
    border-collapse: collapse;
    table-layout: fixed;
}

input,
textarea {
    outline: none;
    border: none;
}

textarea {
    resize: none;
    overflow: auto;
}

::-webkit-input-placeholder {
    color: #999;
} /* 使用webkit内核的浏览器 */
:-moz-placeholder {
    color: #999;
} /* Firefox版本4-18 */
::-moz-placeholder {
    color: #999;
} /* Firefox版本19+ */
:-ms-input-placeholder {
    color: #999;
} /* IE浏览器 */
/*滚动条整体部分,必须要设置*/

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
    background-color: #333;
}

/*滚动条的轨道*/

::-webkit-scrollbar-track {
    background-color: #eaeaea;
}

/*滚动条的滑块按钮*/

::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: #bfbfbf;
}
input:disabled {
    background-color: #f5f5f5;
}
textarea:disabled {
    background-color: #f5f5f5;
}
/*浮动*/
.float_left {
    float: left;
}
.float_right {
    float: right;
}
/*清除浮动*/
.clear_box:after {
    display: block;
    clear: both;
    content: "";
    visibility: hidden;
    height: 0;
}
.toolbar {
    margin-bottom: 20px;
    width: 100%;
}
:root {
    --background-color: rgba(114, 119, 143, 1.0);
    --peer-shadow: 0px 1px 5px 0px rgba(0, 0, 0, 0.2), 0px 2px 2px 0px rgba(0, 0, 0, 0.14), 0px 3px 1px -2px rgba(0, 0, 0, 0.12);
    --peer-border: 1px solid rgba(255, 255, 255, 0.15);
    --peer-bg-color: rgba(42, 75, 88, 0.9);
    --peer-video-bg-color: rgba(0, 0, 0, 0.75);
    --active-speaker-border-color: rgba(255, 255, 255, 1.0);
    --selected-peer-border-color: rgba(55, 126, 255, 1.0);
}
